Home / 236,489.52-326,362.44-129,066.42

Finding the Fourth Proportional to 236,489.52, 326,362.44 and 129,066.42

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Solution

The fourth proportional to 236,489.52, 326,362.44 and 129,066.42 is: 178,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,489.52 : 326,362.44 = 129,066.42 : x
  2. Step 2: Convert to fraction form
    236,489.52/326,362.44 = 129,066.42/x
  3. Step 3: Cross multiply
    236,489.52x = 326,362.44 × 129,066.42
  4. Step 4: Simplify right side
    236,489.52x = 42,122,431,753.26
  5. Step 5: Solve for x
    x = 42,122,431,753.26/236,489.52
  6. Step 6: Final answer
    x = 178,115.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.